<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="utf-8" />
    <title>算数运算符</title>
    <script>
        var num1 = 7;
        var num2 = 2;

        console.log(num1 + num2);
        console.log(num1 - num2);
        console.log(num1 * num2);
        console.log(num1 / num2);
        console.log(num1 % num2);
    </script>
</head>

<body>
</body>